Door-mounting mechanism



Aug 1, lZS. 1,550,205

- A. CEMAZAR DOOR MOUNTING MECHANISM File May 2, 1924 2 sheets-sheet 1 lllll 7 ion: ,j Y/

. A. CEMAZAR DOOR MOUNTING MECHANISM Fil y 2, 1924 2 Sheets-Sheet 2 7. C'c maza 7' attouwq PATENT OFFICE.

ANDREW cmuzan, OI OBOWEBUBG, mus.

DOOR-MOUNTING I Application as May 2,1924. Serial at. 710,017.

To all whom it may concern:

Be it known that I, Annnnw CEMAZAB, a citizen of. the United States, residing at Croweburg, in the county of Crawford and State of Kansas, have invented certain new and useful Improvements in Door-Mounting Mechanisms, of which the following is a specification.

This inventlon relates to door mounting mechanism, and particularly to a mounting mechanism having means for reversing the door ivots from one side of the door to the ot er.

An object of the invention is to provide a door structure, wherein the same is provided with socket members at each side thereof for receiving means adapted to be alternately projected from opposite sides of the door, so that the pivot connection for the door may be changed from one side thereof to the other, in order that the opening movement of the door may be effected from either side .of the door jamb.

Another object of the invention resides in pro iding means in connection with the pivoting member of the door operating to prevent the retraction of the pivot members at one side of the door, before the ro ect1on of the member at the opposite side of the door, so that it is substantially impossible to retract both of the pivot members in the ordinary use of the door, and in changing I swung to an open position.

the pivots one after the other, which woul permit the door to be removed from the jamb. 1

Another object of the invention resides in roviding a door structure including a 1amb, vwherein the door is provided with' housings at each side, which movably mount a pair of rod members adapted to be projected in opposite directions beyond the: ends of the door, for engagement with sockets in 'the jamb, so that the members ineither housing may be pro; acted for forming a pivot for the door, at either side thereof, means being provided for preventing the retraction .of one pair of membersin one traction of one pair of bars from the sockets in the jamb, and will prevent the pro'ection of the other pair. of bars, when .t e oor is The invention comprehends other objects a and improvements in the details of construction, and arrangement-of the parts, which are more followin escription and claims, directed particularly pointed out in the to a pre erred form of the invention, it being understood, however, that various changes may be made inathe construction and arrangement of the parts, within the scope of the invention as described and claimed.

In the drawings, forming a part of this application: v

Figure 1 is a view of the door in closed position, which is equipped with the struc ture forming the subject of the present invention.

Figure 2 is an. enlarged detail sectional view, with parts broken away, through the door, showing the elements of themechanisming movement from either side. The door is provided, at opposite sides, with hou members 4, which extend from end to en as clearly illustrated in the 1 drawing, to provide an enclosure within the side portion of the door for each mounting mechanism. The ends of each housin 4 are provided with guides 5, which slidaily mount a pair of bar members 6 and 7. respectively. The upper bar member 6 of each housing, is provided at its lower endvwith-an ofiset end portion 8, which is connected to the upper end of the lower bar member 7, through the medium of operating links 9,'wh1ch are pivotally mounted, intermediate their ends as at 10, and have 'pin and slot connections as at 11, with the bar members 6 and! respectively, at the ends thereof. A suitable operating handle is provided at '12, for rotating the operating link 9, on the sliding the bars in opposite directions, for either retraction or projection beyond the ends of the door. The u r or lower ends of the rods 6 and 7 are bl mounted in ivot 10, for.

openings '13, in the upper an lower ends of the housing member 4, so that the rods are effectively uided in their sliding movement. Each 0 the lower rods 7 is provided with a rod extension 14, from the upper 1nner end which slide through bracket 15, be- GWQQII which, and the upper end of the rod 7 is mounted a coilspring 16 fornormally projecting the rods beyond the ends of the door. The rods 7 are also provided with stops 17, adapted to engage the guides 5 for limiting the projecting movement of the rods. The upper rods 6 are provided with stops 18, which engage with the adjacent guides 5, for limitin the retractlng movement of the rods in the housing member, 1n order to prevent the ends from being drawn entirely through the openings 13, in the ends of the housing members.

The sill 3 of the door jamb is provided at opposite ends thereof with socket members 19, arranged in line with the bar members 7 when the door is in closed position, so that the projection of these bar members beyond the lower ends of the housing members, will seat the same within the sockets 19, for a purpose which will presently appear.

The top portion of the j amb 2 of the door is provided with a chambered portion 20, closed at the lower side by plates 21, which are formed with openings 22, in line with the upper end of the rods 6 of the door, when in closed position, so that the end portions of these rods are adapted to be projected through the openings 22 of these plates. Each plate mounts a bearing member 23, which rotatably supports a releasing finger 24 of bell crank form, having one arm projected in line with the opening 22, and in the path of movement of the adjacent rod 6, while the other end of the releasing fingers is loosely pivoted to a rod 25, which extends through angle brackets 26, mounted on each plate. Between the angle brackets, the connecting rod 25 is provided with a pair of collars 27, which are adjustable relative to each other on the rod, and which are adapted for providing abutments for coil springs 28, which are interposed between the collars 27, on the one hand, and corre: sponding bracket member-s 26 on the other, so that a balancing action between the springs will result, which will normally tend to balance the operation of the releasing fingers.

Locking members are of spring material indicated at 29, and each is in the form of a rod slidably mounted in the bracket 26, in parallel spaced relation to the connecting rod 25, the end portion of which is offset downwardly as indicated at 30, and slidably operates between the bearing members 23, as clearly shown in Figure 3, so that the end is adapted for projection under predetermined conditions, to engage the recess 31,

in the end of the adjacent rod 6, when the same is projected beyond the end of the housing 4, and extended through the opening 22 of the respective plate 21, as clearly shown in Figure 2, so that an operation of the handle 12 will be prevented, for retracting the rods 6 and 7, until they and the opposite side of the door are projected so that the end of rods 7 will engage in the socket member 19, and the end of the rod 6 in the opening 22 for operating the releasing finger 24, for moving the locking rod 29, to disengage the end thereof from the recess 31, in the upper bar member 6, in the housing at the opposite end of the door. The locking bars 29, are operated simultaneously with the connecting bar 25, through connection with the collars 27, so that an operation of one of the releasing fingers 24, for rocking the bell crank on its pivot, and operating the connecting rod 25, will eifect a similar operation of the locking bars 29, for releasing the rod at one side of the door, while the locking bar at the other side of the door will be projected toward the recess 31 of the other upper rod, for retaining said rod in the projected position.

Pawls 32 are pivoted at one end, in suitable brackets 33, carried at the upper ends of the housings 4, and are adapted for engagement at their lower free ends with projections 34, on the upper rods 6. Springs 35, mounted in the housings 4, are adapted to normally force the pawls 32, so as to engage with the upper portions of the upper rods 6, so that when the rods 6 and 7 are retracted within the housings, the pawls will ride into engagement with the projections 34, to prevent a subsequent projecting movement of the rods 6 and 7, by the operation of the handles 12. Each pawl 32 is provided, intermediate its ends with a release member 36, pivotally connected at one end thereto, and having the other end projecting through an opening 37, in the respective housing 4, and adapted for engagement with the respective j amb of the door.

From the above description, it will be seen that a door equipped with this invention, may be mounted, for swinging movement, from either side, by operating the handle 12 at the side which it is desired to pivot, for projecting the rods 6 and 7, beyond the upper and lower ends of the door, into the socket 19 and the opening 22, in the corresponding ends of the jamb, which action will be ermitted, when the door is in closed position, by the respective pawl 32, as the releasing link 36 will be operated by engagement with the door jamb 2, to project the pawl inwardly out of engagement with the projection 34, so that the handle may be operated for moving the -rods 6 and 7 to project the'ends, the ends of the upper rod being moved through the opening 22, engaging the releasing finger 24, and rocking the bell crank lever about its pivot, for sliding the connecting bar 25, toward the rod 6, eing projected, so that the locking bar 29 will be correspondingly operated, in order to move the offset end 30, into engagement with the slot 31, in the ends of the rod 6, as the limit of the projecting movement is reached. When this end 30 has seated in the recess, it will be clear that further operation of the handle 12 will be inefiectual for operating the rods 6 and 7 respectively, as the locking member 29 holds the rods in projected position, so that the door may be 'swung on'the projecting bars as a pivot or hinge. H it is now desired to move the pivot or hinge connection of the door to the other side, it will be necessary to close the door for the purpose of operating the connecting link 36 to release the pawl 32 from the projecting bar, which will permit the handle 12 to be operated, for projecting the rods 6 and 7 into the corresponding housin t, which projection oi the upper rod, t rough the opening 22 of the plate 21, will eflect an operation on the other releasing finger 24, and cause the locking bar to be released from the recess in the other rod 6, so that the spring 16 in the extension portion of the lower rod 7 will operate to retract each of said rods 6 and 7 to their inner limits of movement, while the locking bar will engage the notch 31 of the other upper rod for edectively locking it in projected posi tion, so that the door may be swung on the pivot at the opposite side, as desired.

It will, therefore, be clear, that a simple and efficient structure for mounting doors for swinging movement from either side, has been provided, which will efi'ectually prevent the retraction of the pivot members at one side, until the members at the other side have been projected, in order a pair of oppositely movable rods slidably mounted in each housing, means for normally retracting said rods projecting be yond the ends of the housing, manually operable means for projecting said rods beyond the ends of the doors, sockets members carried by the jamb for receiving the projected ends of the rods, one of the socket members comprising an apertured plate mounted in the jamb, a chamber formed in the jamb adjacent said plate, hearing members mounted on the plate, releasing fingers pivotally mounted in said bearing memloers, in line with the ends of the rods, for engagement and operation thereby, connect ing means between the releasing fingers for effecting the simultaneous operation thereof, and locking means operated by said releasing means, whereby the projection of the rods at one end will operate said releasing fingers for releasing the rods at the other end of the door, permitting the retraction thereof, and will operate the looking means for locking said projected rods in projected relation, said locking means preventing the retraction of said rods, until operation, of the bar members at the opposite end of the door for projection into the socket members.

lln testimony whereof ll aflix my signature.

ANDREW GEMAZAR.

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